Two pack epoxy and polyamide clear for concrete Epoguard Varnish primer

Epoguard Varnish is a two pack epoxy and polyamide clear for concrete primer

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Intended use:

As a primer for concrete surface on epoxy system in factory floor and wall. It has excellent properties for adhesion and penetrate into concrete surface, abrasion resistance, resistance to water, weak acid, weak basic and chemical

Specifications

  • Type: Epoxy / Polyamide Primer
  • Color: Clear
  • Film Appearance: Gloss
  • Solid by volume: 55% + 2%
  • Flash point: 30°C
  • Wet film thickness: 73 - 109 microns
  • Dry film thickness: 40 - 60 microns
  • Practical coverage: 6.4 - 9.6 m²/ litre hoặc 24 - 36 m²/ Gallon
  • Drying time:
  • - Temperature: 25°C - 30°C - 35°C
  • - Surface dry: 4 hours - 3 hours - 2 hours
  • - Hard dry: 14 hours - 13 hours - 12 hours
  • Recoat dry:
  • - Temperature: 25°C - 30°C - 35°C
  • - Minium: 16 hours - 14 hours - 12 hours
  • - Maximum: 2 days - 2 days - 2 days
  • Pot life:
  • - Temperature: 25°C - 30°C - 35°C
  • - Pot life: 10 hours - 9 hours - 8 hours

Construction methods

  • Application method: Brush, Roller, Airless Spray, Air spray
  • Diluted by: TOA Thinner #31
  • Dilution ratio:
  • - Brush, Roller: 5% - 10%
  • - Airless Spray: 5% - 10%
  • - Air spray: 10% - 20%
  • Mixing ratio: Part A - Part B
  • - By volume: 4 - 1
  • - By weight: 5 - 1 Mix Part A and Part B, strictly follow mix ratio recommendations before dilute by Thinner mixing and stir for 2-3 mins until the mixture is homogeneous after leave 5 minutes before application.

Construction Guide

* Surface Preparation:
- For New concrete: The concrete prior to laying plastic sheets to block moisture from underground. Then it should be left for curing concrete to solid and dry for about 3-4 weeks. Then, clean the surface free from dust, dirt, grease and most importantly, the surface is completely dry.
(Check moisture content must be less than 14%)
- For Old concrete: To remove the old paint film which loosely adhesion to as much as possible by Scraping with a shovel or Grinding machine to enhance adhesion. Then, clean the surface free from grease and oil with suitable solvent. Before primer coating should clean all surfaces free from dust, dirt, grease and most importantly, the surface is completely dry. (Check moisture content must be less than 14%).

* Before Recoat by Topcoat:
- Remove all oil, grease, dirt, oxide and other foreign material by cleaning per SSPC-SP1, Solvent Cleaning before coating.
- If over 7 days gives cleaning surface by sand paper no. 320-400 and cleaning surface per SSPC-SP1, Solvent Cleaning before coating.
- Surface repaire (cracks, pores, holes) done with TOA Epoxy putty and polishing of surface with moltoprene disk.
 

Recommended paint system

Primer: 50 microns x 1 coat of Epoguard Varnish


Topcoat: 50 microns x 2 coats of Epoguard Enamel (inside) or Topguard (outside)

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